78537160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1697}}^1$

素因数の和:1810

約数の個数: 64

約数和(自身を含む): 192553200

約数和(自身を除く): 114016040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 1157, 1697, 1780, 2314, 3394, 3560, 4628, 5785, 6788, 8485, 9256, 11570, 13576, 16970, 22061, 23140, 33940, 44122, 46280, 67880, 88244, 110305, 151033, 176488, 220610, 302066, 441220, 604132, 755165, 882440, 1208264, 1510330, 1963429, 3020660, 3926858, 6041320, 7853716, 9817145, 15707432, 19634290, 39268580, 78537160]

約数ペア:

[(1, 78537160), (2, 39268580), (4, 19634290), (5, 15707432), (8, 9817145), (10, 7853716), (13, 6041320), (20, 3926858), (26, 3020660), (40, 1963429), (52, 1510330), (65, 1208264), (89, 882440), (104, 755165), (130, 604132), (178, 441220), (260, 302066), (356, 220610), (445, 176488), (520, 151033), (712, 110305), (890, 88244), (1157, 67880), (1697, 46280), (1780, 44122), (2314, 33940), (3394, 23140), (3560, 22061), (4628, 16970), (5785, 13576), (6788, 11570), (8485, 9256)]